This photograph of St. Paul's Cathedral from 'Views of Calcutta and Barrackpore' was taken by Samuel Bourne in the 1860s. Located on the south-east corner of the Maidan, St. Paul's Cathedral was designed by Major W. N. Forbes in an Indo-Gothic architectural style and built in 1839. Rev. Daniel Wilson, the Bishop of Calcutta was the major financial contributor towards the building of St. Paul's Cathedral.
Source: www.bl.uk